Home / 1,891,920.41-2,835,416.30-768,676.25

Finding the Fourth Proportional to 1,891,920.41, 2,835,416.30 and 768,676.25

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Solution

The fourth proportional to 1,891,920.41, 2,835,416.30 and 768,676.25 is: 1,152,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,920.41 : 2,835,416.30 = 768,676.25 : x
  2. Step 2: Convert to fraction form
    1,891,920.41/2,835,416.30 = 768,676.25/x
  3. Step 3: Cross multiply
    1,891,920.41x = 2,835,416.30 × 768,676.25
  4. Step 4: Simplify right side
    1,891,920.41x = 2,179,517,164,829.49
  5. Step 5: Solve for x
    x = 2,179,517,164,829.49/1,891,920.41
  6. Step 6: Final answer
    x = 1,152,013.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.